853804780

素因数分解:

$2^2\times 5^1\times {\mathrm{8647}}^1\times {\mathrm{4937}}^1$

素因数の和:13593

約数の個数: 24

約数和(自身を含む): 1793560608

約数和(自身を除く): 939755828

約数列:

[1, 2, 4, 5, 10, 20, 4937, 8647, 9874, 17294, 19748, 24685, 34588, 43235, 49370, 86470, 98740, 172940, 42690239, 85380478, 170760956, 213451195, 426902390, 853804780]

約数ペア:

[(1, 853804780), (2, 426902390), (4, 213451195), (5, 170760956), (10, 85380478), (20, 42690239), (4937, 172940), (8647, 98740), (9874, 86470), (17294, 49370), (19748, 43235), (24685, 34588)]